Home / 30,349.56-45,512.82-9,283.20

Finding the Fourth Proportional to 30,349.56, 45,512.82 and 9,283.20

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Solution

The fourth proportional to 30,349.56, 45,512.82 and 9,283.20 is: 13,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.56 : 45,512.82 = 9,283.20 : x
  2. Step 2: Convert to fraction form
    30,349.56/45,512.82 = 9,283.20/x
  3. Step 3: Cross multiply
    30,349.56x = 45,512.82 × 9,283.20
  4. Step 4: Simplify right side
    30,349.56x = 422,504,610.62
  5. Step 5: Solve for x
    x = 422,504,610.62/30,349.56
  6. Step 6: Final answer
    x = 13,921.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.